Journal
TRENDS IN ENDOCRINOLOGY AND METABOLISM
Volume 21, Issue 4, Pages 245-254Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tem.2009.12.005
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Funding
- National Institutes of Health/National Heart, Lung and Blood Institute [R01HL070241, R01HL080682]
- National Institutes of Health /National Center for Research Resources [P20RR018766]
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Atherosclerosis is a chronic inflammatory disease in which early endothelial dysfunction and subintimal modified lipoprotein deposition progress to complex, advanced lesions that are predisposed to erosion, rupture and thrombosis. Oxidative stress plays a crucial role not only in initial lesion formation but also in lesion progression and destabilization. Although most growth factors are thought to promote vascular smooth muscle cell proliferation and migration, thereby increasing neointima, recent animal studies indicate that insulin-like growth factor (IGF)-1 exerts both pleiotropic antioxidant effects and anti-inflammatory effects, which together reduce atherosclerotic burden. This review discusses the effects of IGF-1 in models of vascular injury and atherosclerosis, emphasizing the relationship between oxidative stress and potential atheroprotective actions of IGF-1.
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